Pentoxifylline
[化] 己酮可可碱
🗣️ 情景例句
The pollution in Beijing is alarming.
北京的污染给人们敲起了警钟。
Do you have a book?
你有一本书吗？
It happens every night. The noise wakes me up. Would you please not do this?
每晚都这样。这声音总吵醒我！请你别这样，好吗？